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# Senior Backend Engineer - Ai-Powered Saas

- **Company:** Longtail Technologies
- **Location:** Madrid, Spain
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, Software as a Service, Databases, ReactJS, Backend, Front End Software Development
- **Published:** September 17, 2026
- **Apply:** https://www.buscojobs.com.es/senior-backend-engineer-ai-powered-saas-en-madrid-ID-372266896

## About the Role

The role requires 7+ years of engineering experience, production SaaS exposure, strong API and database skills, and willingness to contribute to the React frontend when needed.
#J-*****-Ljbffr

## Description

Longtail Technologies is seeking a Senior Product Engineer: Full-stack with 80% backend to help build our conversational analytics and intelligent alerting platform.You will own features end to end, from problem framing to production, with a focus on reliability and AI-driven workflows.The role requires 7+ years of engineering experience, production SaaS exposure, strong API and database skills, and willingness to contribute to the React frontend when needed.#J-*****-Ljbffr


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